EANINNO 10 Pieces Masonry Drill Bit Set, Carbide Tip Concrete Drill Bits for Ceramic Tile/Pots Holes/Brick/Porcelain Wall/Glass/Wood, Multipurpose Installer Bit Tool, 5 6 8 10 12 mm

Bought to install 10mm bolts in cement floor. Set was about the same price as one drill at Home Depot. Cement was over 25 years old and very well cured. One drill broke after first 2 1/2" hole, but second drilled the next three holes and looks like it could handle several more. Used a smaller (8mm) drill to drill two 2" holes in hard stone. After finished there was no visible wear to drill. Good selection of drills for future products.

The case it comes in is hard and brittle. came all cracked up. but the drills were excellent.

Terrible packaging. Inside box tape pieces came off and drills were loose in outer envelope. Looked ok, but not worth the exchange hassle.

I had bought a different brand that did not perform as I had hoped. But these worked like a charm and drilled through brick and concrete very quickly with very little pressure exerted. Very pleased with the quality and the price!

The front breaks kinda easily. Would not recommend

Drilling in concrete around pool. Even using water to cool and frequently stop drilling I could only complete 2 holes before they wore out. I even drilled smaller starter holes to help save on using the larger size drill bit.

Very nice quality drills they drilled in concrete & cender block faster than my dewalt drills. Well here's an update never lend out your drills, so I bought a 2nd set of these drills very disappointed in quality it barely drilled 1 hole on concrete the second hole I tried to drill well flatten it out, useless. I won't be buying these anymore, I'd hate 2 use any of the other drills as they might end up the same.

Do not buy the name brand like I did and just buy this one. I swear these bits lasted longer. I am also that person who breaks bits and I have done a lot with these and they are going strong